---Can you tell me something about metal
题型:选择题
问题:
---Can you tell me something about metal ?
---Metal making machines and many other things .
A.used to
B.is used for
C.is used as
D.is used to
---Can you tell me something about metal ?
---Metal making machines and many other things .
A.used to
B.is used for
C.is used as
D.is used to